#337865
Closest named color: Bluegreen (#017A79). oklch(52.3% 0.076 172.5), rgb(51, 120, 101).
Aa
White text reads best on this color (5.23:1).
About this color
#337865 is a medium-dark, moderately saturated teal or cyan. In OKLCH its lightness is 52%, its chroma 0.076 and its hue 173°. Its hue sits on the cool side of the wheel. The nearest named color is Bluegreen (#017A79), ΔE 0.033 away. White text reads best on it, at 5.23:1.
| Hue family | Teals and cyans |
| Lightness | medium-dark (52%) |
| Chroma | moderately saturated (0.076) |
| Temperature | cool |
| Nearest name | Bluegreen (#017A79) |
| Black text | 4.01:1 |
| White text | 5.23:1 |
Values
| HEX | #337865 |
| RGB | rgb(51, 120, 101) |
| HSL | hsl(163, 40%, 34%) |
| OKLCH | oklch(52.3% 0.076 172.5) |
Contrast
WCAG 2 contrast ratios are the conformance target: AA needs 4.5:1 for body text and 3:1 for large text, AAA needs 7:1. APCA Lc values are supplementary guidance from the WCAG 3 drafts.
| Pair | WCAG 2 | Result | APCA | APCA guidance |
|---|---|---|---|---|
| White text on #337865 | 5.23:1 | AA | Lc -81.1 | Fine for body text |
| Black text on #337865 | 4.01:1 | AA large text | Lc 28.3 | Dividers and decoration only |
| #337865 text on white | 5.23:1 | AA | Lc 75.8 | Fine for body text |
| #337865 text on black | 4.01:1 | AA large text | Lc -26.0 | Dividers and decoration only |
Tints and shades
A 50–950 scale built in OKLCH: the hue is held, lightness follows a Tailwind v4-like curve, and every step is kept inside the sRGB gamut. This color sits at step 700.
-
Step 50
50
#F2F6F5
oklch(97% 0.004 179.7)
-
Step 100
100
#E3ECE9
oklch(93.5% 0.01 174.3)
-
Step 200
200
#CCDED8
oklch(88.5% 0.021 173.9)
-
Step 300
300
#A9C9BE
oklch(80.9% 0.038 172.5)
-
Step 400
400
#7AAD9D
oklch(70.7% 0.059 173.1)
-
Step 500
500
#569985
oklch(63.2% 0.076 172.5)
-
Step 600
600
#37836E
oklch(55.6% 0.083 172.3)
-
Step 700
700 (this color)
#337865
oklch(52.3% 0.076 172.5)
-
Step 800
800
#245A4B
oklch(42.6% 0.063 172.3)
-
Step 900
900
#234A3F
oklch(37.7% 0.049 173.1)
-
Step 950
950
#152B25
oklch(26.9% 0.03 174.4)
#337865 with color blindness
Simulated with the Machado et al. (2009) model. ΔE is how far the color moves: below about 0.02 you would not notice a change.
| Vision | Seen as | Shift (ΔE) |
|---|---|---|
| Protanopia (no red cones) | #747164 | 0.078 |
| Deuteranopia (no green cones) | #6A6966 | 0.076 |
| Tritanopia (no blue cones) | #0D7972 | 0.024 |
| Achromatopsia (no color) | #6C6C6C | 0.077 |
Harmonies
Hue rotations in OKLCH that keep this color's lightness and chroma.
Complementary
The opposite hue (180°).
- #337865
#337865
oklch(52.3% 0.076 172.5)
- #8C576E
#8C576E
oklch(52.3% 0.076 352.5)
Analogous
Neighbouring hues, 30° either side.
Split complementary
The two hues beside the complement (150° and 210°).
Triadic
Three hues spaced 120° apart.
Palettes with this color
Curated palettes that contain a color within ΔE 0.04 (OKLab) of #337865, closest first.
Similar named colors
The eight closest entries in our named color list, with their ΔE distance.
- Bluegreen #017A79 ΔE 0.033
- Dark Aquamarine #017371 ΔE 0.036
- Deep Turquoise #017374 ΔE 0.039
- Teal #008080 ΔE 0.042
- Deep Aqua #08787F ΔE 0.043
- Dark Aqua #05696B ΔE 0.060
- Dark Sage #598556 ΔE 0.065
- Dark Cyan #008B8B ΔE 0.067
Use #337865 in your product
Turn it into light and dark UI roles checked for contrast, then export to Tailwind v4, shadcn/ui, CSS or design tokens.